Air gun



FIG. 1 is a front isomeric view of my design with the lever in the closed position;

FIG. 2 is a front isomeric view of the gun with the lever in the open position;

FIG. 3 is a bottom elevation view of the gun;

FIG. 4 is a left elevation view of the gun;

FIG. 5 is a right elevation view of the gun; and,

FIG. 6 is a front plan view of the gun.

The broken lines throughout FIGS. 1-6 illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a air gun, as shown and described. 